body {
    margin : 0;
  font-family: sans-serif;
}

.outer-container {
    position : absolute;
    display: table;
    width: 100%; /* This could be ANY width */
    height: 60%; /* This could be ANY height */
    background: #fff;
}

.inner-container {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
  width: 25%;
}

.centered-content {
    display: inline-block;
    text-align: left;
    background: #fff;
    padding : 20px;
}

div.title {
  font-size: 28px;
  padding: 30px 0px;
}

div.message {
  padding: 5px 0px;
}

img.logo {
  vertical-align: middle;
}